化工进展ChemicalIndustryandEngineeringProgress2023年第42卷第3期厌氧消化系统酸化预警及调控技术研究进展孟晓山,汤子健,陈琳,呼和涛力,周政忠(常州大学城乡矿山研究院,生物质高效炼制及高质化利用国家地方联合工程研究中心,江苏常州213164)摘要:厌氧消化是有机废弃物资源化利用的重要技术之一,但在实际工程运行中,由于物料特性以及操作参数等因素变化,易引起有机酸累积,造成系统产气率下降,甚至酸化失败问题。本文在总结国内外研究进展的基础上,简述了酸累积的危害,剖析了引起酸化的主要原因,并分别从酸化预警、酸化调控两方面总结了厌氧系统在酸化前后所需采取的应对措施,建议进一步加强酸化预警指标体系的完善,突破环境耐受型微生物菌群驯化技术瓶颈,同时开展基于内源酸碱缓冲体系增强厌氧系统抗冲击性能方面的研究,以期为提高厌氧消化反应器的处理效率和运行稳定性提供参考。关键词:厌氧消化;监测指标;酸化预警;调控技术;酸碱缓冲体系中图分类号:X705文献标志码:A文章编号:1000-6613(2023)03-1595-11ResearchprogressoftheearlywarningandregulationtechniquesforexcessiveacidificationintheanaerobicdigestionsystemMENGXiaoshan,TANGZijian,CHENLin,HUHETaoli,ZHOUZhengzhong(National-LocalJointEngineeringResearchCenterofBiomassRefiningandHigh-QualityUtilization,InstituteofUrbanandRuralMining,ChangzhouUniversity,Changzhou213164,Jiangsu,China)Abstract:Anaerobicdigestion(AD)isanimportanttechnologyfortheresourceutilizationoforganicwastes.However,thefluctuationsinthewastecharacteristicsandoperatingparametersduringtheactualengineeringoperationmightcausetheaccumulationofvolatilefattyacid(VFAs),thereupon,resultinginthedepressionofbiogasproductionandeventhefailureofADduetooveracidification.Basedonthereviewofresearchprogressbothathomeandabroad,thisstudydescribesthemischiefsofVFAsaccumulationbriefly,dissectsthemajorcausesofacidaccumulation,andsummarizesthecountermeasuresfromthetwoaspectsofearly-warningmonitoringandregulationmeansrequiredbeforeandafteracidification,respectively.Hereon,theauthorssuggestfurtherstrengtheningtheperfectionofearly-warningindexsystemfortheacidificationduringADprocess,breakingthroughthebottleneck...